:root {
  --carbon-950: #0B0C0E;
  --carbon-800: #17181C;
  --carbon-700: #202226;
  --steel: #9AA1AD;
  --lime: #C6FF3D;
  --lime-dark: #A8DE22;
  --paper: #F3F3F1;
  --ink: #0F1013;
  --ink-soft: #5C5F66;
  --surface: #FFFFFF;
  --line: #E3E3E0;
  --line-dark: #2B2D32;

  --font-display: 'Unbounded', sans-serif;
  --font-body: 'Manrope', sans-serif;

  --space-1: clamp(0.5rem, 0.45rem + 0.25vw, 0.65rem);
  --space-2: clamp(0.9rem, 0.8rem + 0.4vw, 1.2rem);
  --space-3: clamp(1.5rem, 1.3rem + 0.8vw, 2.2rem);
  --space-4: clamp(2.4rem, 2rem + 1.6vw, 4rem);
  --space-5: clamp(3.6rem, 3rem + 2.4vw, 6rem);

  --radius-sm: 2px;
  --radius-lg: 2px;
  --max-width: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--carbon-950); border-radius: 0; border: 2px solid var(--paper); }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.08; margin: 0; letter-spacing: -0.01em; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-3); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 40; background: var(--carbon-950); }
.header-inner { max-width: var(--max-width); margin: 0 auto; padding: var(--space-2) var(--space-3); display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; }
.logo { font-family: var(--font-display); font-weight: 700; font-size: 0.9rem; color: #fff; letter-spacing: 0.04em; }
.logo span { color: var(--lime); }
.main-nav { display: flex; gap: var(--space-3); }
.main-nav a { color: #C9CBD1; font-weight: 500; font-size: 0.92rem; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--lime); }
.cart-link { color: #fff; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.cart-count { background: var(--lime); color: var(--carbon-950); font-size: 0.75rem; font-weight: 800; border-radius: 2px; min-width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center; padding: 0 5px; }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

.view { animation: viewIn 0.35s ease both; }
@keyframes viewIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0.9em 1.7em; font-weight: 700; font-size: 0.88rem; border-radius: var(--radius-sm); border: 1px solid transparent; text-transform: uppercase; letter-spacing: 0.04em; transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease; }
.btn-primary { background: var(--lime); color: var(--carbon-950); }
.btn-primary:hover { background: var(--lime-dark); transform: translateY(-1px); }
.btn-dark { background: var(--carbon-950); color: #fff; }
.btn-dark:hover { background: var(--carbon-800); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-sm { padding: 0.55em 1.1em; font-size: 0.78rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* Hero */
.hero { background: var(--carbon-950); color: #fff; position: relative; overflow: hidden; }
.hero-inner { max-width: var(--max-width); margin: 0 auto; padding: var(--space-5) var(--space-3) 0; display: grid; grid-template-columns: 1fr 0.9fr; gap: var(--space-4); align-items: end; }
.hero-headline { font-size: clamp(2.4rem, 1.6rem + 3vw, 4.4rem); text-transform: uppercase; }
.hero-headline .accent { color: var(--lime); }
.hero-sub { margin-top: var(--space-2); font-size: 1.05rem; color: var(--steel); max-width: 42ch; }
.hero-actions { margin-top: var(--space-3); display: flex; gap: var(--space-2); flex-wrap: wrap; }
.hero-image { position: relative; align-self: end; }
.hero-image img { width: 100%; aspect-ratio: 3/4; object-fit: cover; clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%); }
.hero-divider { height: 3px; background: linear-gradient(90deg, var(--lime), transparent 70%); margin-top: var(--space-4); }
@media (max-width: 860px) { .hero-inner { grid-template-columns: 1fr; } .hero-image { order: -1; } .hero-image img { clip-path: none; } }

/* Trust bar */
.trust-bar { background: var(--carbon-950); border-top: 1px solid var(--line-dark); }
.trust-inner { max-width: var(--max-width); margin: 0 auto; padding: var(--space-2) var(--space-3) var(--space-3); display: flex; justify-content: space-around; flex-wrap: wrap; gap: var(--space-2); font-weight: 600; font-size: 0.85rem; color: var(--steel); text-transform: uppercase; letter-spacing: 0.03em; }
.trust-inner span { color: var(--lime); font-weight: 800; }

/* Performance tech */
.tech-section { background: var(--carbon-800); color: #fff; padding: var(--space-5) 0; }
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-top: var(--space-3); }
@media (max-width: 780px) { .tech-grid { grid-template-columns: 1fr; } }
.tech-card { border-left: 2px solid var(--lime); padding-left: var(--space-2); }
.tech-card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.tech-card p { color: var(--steel); font-size: 0.92rem; }
.tech-section .section-head h2, .tech-section .section-head p { color: #fff; }
.tech-section .section-head p { color: var(--steel); }

.section { padding: var(--space-5) 0; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-2); margin-bottom: var(--space-4); flex-wrap: wrap; }
.section-head h2 { font-size: clamp(1.5rem, 1.3rem + 1vw, 2.3rem); text-transform: uppercase; }
.section-head p { color: var(--ink-soft); max-width: 50ch; margin-top: var(--space-1); }

/* Product grid */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
@media (max-width: 980px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .product-grid { grid-template-columns: 1fr; } }

.product-card { background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; overflow: hidden; }
.product-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; filter: grayscale(15%); }
.product-card .body { padding: var(--space-2); display: flex; flex-direction: column; gap: 6px; flex: 1; }
.product-card h3 { font-family: var(--font-body); font-weight: 700; font-size: 0.98rem; }
.product-card .desc { color: var(--ink-soft); font-size: 0.86rem; flex: 1; }
.product-card .price-row { display: flex; align-items: center; justify-content: space-between; margin-top: var(--space-1); }
.price { font-family: var(--font-display); font-weight: 700; color: var(--ink); font-size: 1.1rem; }
.price::before { content: ''; }

/* Filters */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: var(--space-3); }
.filter-btn { padding: 0.55em 1.15em; border: 1px solid var(--line); background: var(--surface); font-weight: 700; font-size: 0.78rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.03em; }
.filter-btn.active { background: var(--carbon-950); color: var(--lime); border-color: var(--carbon-950); }

/* Testimonials */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
@media (max-width: 860px) { .testimonial-grid { grid-template-columns: 1fr; } }
.testimonial { background: var(--surface); border-top: 3px solid var(--carbon-950); padding: var(--space-3); }
.testimonial .who { margin-top: var(--space-2); font-weight: 700; font-size: 0.85rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.02em; }

/* Newsletter */
.newsletter { background: var(--carbon-950); color: #fff; padding: var(--space-4) var(--space-3); display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.newsletter h3 { font-size: 1.4rem; text-transform: uppercase; }
.newsletter p { margin-top: 4px; color: var(--steel); }
.newsletter-form { display: flex; gap: 8px; flex-wrap: wrap; }
.newsletter-form input { padding: 0.75em 1em; border-radius: var(--radius-sm); border: 1px solid var(--line-dark); background: var(--carbon-800); color: #fff; min-width: 220px; font-family: inherit; }
.newsletter-note { font-size: 0.85rem; margin-top: 6px; color: var(--ink-soft); }

/* PDP */
.pdp { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 860px) { .pdp { grid-template-columns: 1fr; } }
.pdp img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.pdp h1 { font-size: 1.9rem; text-transform: uppercase; }
.pdp .price { font-size: 1.6rem; display: block; margin: var(--space-2) 0; }
.pdp .specs { list-style: none; padding: 0; margin: var(--space-3) 0; border-top: 1px solid var(--line); }
.pdp .specs li { padding: 10px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; font-size: 0.9rem; }
.pdp .specs li span:first-child { color: var(--ink-soft); text-transform: uppercase; font-size: 0.78rem; letter-spacing: 0.03em; }
.qty-row { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-3); }
.qty-control { display: flex; align-items: center; border: 1px solid var(--line); }
.qty-control button { background: none; border: none; width: 38px; height: 38px; font-size: 1.1rem; }
.qty-control span { width: 36px; text-align: center; font-weight: 700; }
.breadcrumb { color: var(--ink-soft); font-size: 0.82rem; margin-bottom: var(--space-3); text-transform: uppercase; letter-spacing: 0.02em; }
.breadcrumb a { color: var(--ink); font-weight: 700; }

/* Cart */
.cart-view { display: grid; grid-template-columns: 1.6fr 1fr; gap: var(--space-4); align-items: start; }
@media (max-width: 860px) { .cart-view { grid-template-columns: 1fr; } }
.cart-item { display: grid; grid-template-columns: 80px 1fr auto auto; gap: var(--space-2); align-items: center; padding: var(--space-2) 0; border-bottom: 1px solid var(--line); }
.cart-item img { width: 80px; height: 80px; object-fit: cover; }
.cart-item h4 { font-family: var(--font-body); font-weight: 700; font-size: 0.92rem; }
.remove-btn { background: none; border: none; color: var(--ink-soft); font-size: 0.82rem; font-weight: 700; text-decoration: underline; margin-top: 4px; }
.summary-box { background: var(--carbon-950); color: #fff; padding: var(--space-3); }
.summary-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 0.92rem; color: var(--steel); }
.summary-row.total { border-top: 1px solid var(--line-dark); margin-top: 8px; padding-top: 12px; font-weight: 800; font-size: 1.1rem; color: #fff; }
.empty-state { text-align: center; padding: var(--space-5) 0; color: var(--ink-soft); }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-2); }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.78rem; font-weight: 700; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.03em; }
.field input, .field select, .field textarea { padding: 0.75em 0.9em; border: 1px solid var(--line); border-radius: var(--radius-sm); font-family: inherit; font-size: 0.95rem; background: var(--surface); color: var(--ink); }
.field .error { color: #C43A3A; font-size: 0.78rem; display: none; }
.field.invalid input, .field.invalid select { border-color: #C43A3A; }
.field.invalid .error { display: block; }

.checkout-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--space-4); align-items: start; }
@media (max-width: 860px) { .checkout-grid { grid-template-columns: 1fr; } }
.pay-options { display: flex; gap: var(--space-2); margin: var(--space-2) 0 var(--space-3); flex-wrap: wrap; }
.pay-option { border: 1px solid var(--line); padding: 0.8em 1.2em; font-weight: 700; font-size: 0.85rem; cursor: pointer; text-transform: uppercase; letter-spacing: 0.02em; }
.pay-option.active { border-color: var(--carbon-950); background: var(--carbon-950); color: var(--lime); }
.confirmation-box { text-align: center; padding: var(--space-5) var(--space-3); background: var(--carbon-950); color: #fff; }
.confirmation-box h2 { color: var(--lime); text-transform: uppercase; }

/* Locations */
.location-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
@media (max-width: 700px) { .location-grid { grid-template-columns: 1fr; } }
.location-card { background: var(--surface); border: 1px solid var(--line); padding: var(--space-3); }
.location-card h3 { font-family: var(--font-body); font-weight: 700; margin-bottom: 8px; }
.location-card p { margin: 4px 0; color: var(--ink-soft); font-size: 0.9rem; }

/* Static content */
.content-page { max-width: 72ch; }
.content-page h1 { margin-bottom: var(--space-3); text-transform: uppercase; }
.content-page p { margin: 0 0 1em; line-height: 1.65; color: var(--ink-soft); }
.content-page h2 { font-size: 1.1rem; margin: var(--space-3) 0 var(--space-1); text-transform: uppercase; }

/* Cookie banner */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; z-index: 60; background: var(--carbon-950); color: #fff; padding: var(--space-2) var(--space-3); display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.cookie-actions { display: flex; gap: 8px; }

/* Footer */
.site-footer { background: var(--carbon-950); color: #fff; padding: var(--space-4) 0 0; margin-top: var(--space-5); }
.footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-3) var(--space-4); display: grid; grid-template-columns: 1.3fr 2fr; gap: var(--space-4); }
@media (max-width: 700px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-brand p { color: var(--steel); margin-top: var(--space-1); max-width: 32ch; }
.footer-links { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.footer-links h4 { font-family: var(--font-body); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: #6E7178; margin-bottom: var(--space-1); }
.footer-links a { display: block; color: #fff; opacity: 0.85; padding: 4px 0; font-size: 0.9rem; }
.footer-links a:hover { opacity: 1; color: var(--lime); }
.footer-bottom { border-top: 1px solid var(--line-dark); text-align: center; padding: var(--space-2); font-size: 0.8rem; color: #6E7178; }

.toast { position: fixed; bottom: var(--space-3); right: var(--space-3); background: var(--carbon-950); color: #fff; padding: 0.9em 1.4em; border-left: 3px solid var(--lime); z-index: 80; font-weight: 700; font-size: 0.88rem; animation: toastIn 0.25s ease; }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }